package com.yoooya.base.third.common;

import com.yoooya.base.utils.HttpClientUtils;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.nio.charset.StandardCharsets;

/**
 * @创建人 Sun Yijing
 * @创建时间 2018-07-08
 */
@Component
public class QxbHelper {

	private final Logger logger = LoggerFactory.getLogger(getClass());
	@Value("${qxb.app.key}")
	private String appKey;

	public String getAppKey() {
		return appKey;
	}

	public String requestGet(String url) throws IOException {
		CloseableHttpClient client = HttpClientUtils.createSSLClientDefault();
		HttpGet get = new HttpGet(url);
		CloseableHttpResponse response = client.execute(get);
		HttpEntity entity = response.getEntity();
		if (entity != null) {
			return EntityUtils.toString(entity, StandardCharsets.UTF_8);
		}
		return null;
	}

	public String requestPost(String url, String outputStr) throws IOException {
		CloseableHttpClient client = HttpClientUtils.createSSLClientDefault();
		HttpPost post = new HttpPost(url);
		StringEntity stringEntity = new StringEntity(outputStr, StandardCharsets.UTF_8);
		post.setEntity(stringEntity);
		post.setHeader("Content-type", "application/json");
		CloseableHttpResponse response = client.execute(post);
		HttpEntity entity = response.getEntity();
		if (entity != null) {
			return EntityUtils.toString(entity, StandardCharsets.UTF_8);
		}
		return null;
	}

	/**
	 * 向指定 URL 发送POST方法的请求
	 * 
	 * @param url
	 *            发送请求的 URL
	 * @param param
	 *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
	 * @return 所代表远程资源的响应结果
	 */
	public String sendPost(String url, String param) {
		PrintWriter out = null;
		BufferedReader in = null;
		String result = "";
		try {
			URL realUrl = new URL(url);
			// 打开和URL之间的连接
			URLConnection conn = realUrl.openConnection();
			// 设置通用的请求属性
			conn.setRequestProperty("accept", "*/*");
			conn.setRequestProperty("connection", "Keep-Alive");
			conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
			// 发送POST请求必须设置如下两行
			conn.setDoOutput(true);
			conn.setDoInput(true);
			// 获取URLConnection对象对应的输出流
			out = new PrintWriter(conn.getOutputStream());
			// 发送请求参数
			out.print(param);
			// flush输出流的缓冲
			out.flush();
			// 定义BufferedReader输入流来读取URL的响应
			in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			System.out.println("发送 POST 请求出现异常！" + e);
			e.printStackTrace();
		}
		// 使用finally块来关闭输出流、输入流
		finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}

}
